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Finding the Fourth Proportional to 340,433.43, 510,502.45 and 115,733.51

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Solution

The fourth proportional to 340,433.43, 510,502.45 and 115,733.51 is: 173,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,433.43 : 510,502.45 = 115,733.51 : x
  2. Step 2: Convert to fraction form
    340,433.43/510,502.45 = 115,733.51/x
  3. Step 3: Cross multiply
    340,433.43x = 510,502.45 × 115,733.51
  4. Step 4: Simplify right side
    340,433.43x = 59,082,239,691.64
  5. Step 5: Solve for x
    x = 59,082,239,691.64/340,433.43
  6. Step 6: Final answer
    x = 173,550.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.